ssh-key: bump to pre.5 prereleases of elliptic curve crates (#375)

Namely: `p256`, `p384`, and `p521`

Author: tarcieri

Cargo.lock

@@ -21,7 +21,7 @@ rust-version = "1.85"
 cipher = { package = "ssh-cipher", version = "0.3.0-rc.0", features = ["zeroize"] }
 encoding = { package = "ssh-encoding", version = "0.3.0-rc.0", features = ["base64", "digest", "pem", "subtle", "zeroize"] }
 sha2 = { version = "0.11.0-rc.0", default-features = false }
-signature = { version = "3.0.0-rc.0", default-features = false }
+signature = { version = "3.0.0-rc.1", default-features = false }
 subtle = { version = "2", default-features = false }
 zeroize = { version = "1", default-features = false }
 
@@ -33,9 +33,9 @@ ed25519-dalek = { version = "=2.2.0-pre", optional = true, default-features = fa
 hex = { version = "0.4", optional = true, default-features = false, features = ["alloc"] }
 hmac = { version = "0.13.0-rc.0", optional = true }
 home = { version = "0.5", optional = true }
-p256 = { version = "0.14.0-pre.4", optional = true, default-features = false, features = ["ecdsa"] }
-p384 = { version = "0.14.0-pre.4", optional = true, default-features = false, features = ["ecdsa"] }
-p521 = { version = "0.14.0-pre.4", optional = true, default-features = false, features = ["ecdsa"] }
+p256 = { version = "0.14.0-pre.5", optional = true, default-features = false, features = ["ecdsa"] }
+p384 = { version = "0.14.0-pre.5", optional = true, default-features = false, features = ["ecdsa"] }
+p521 = { version = "0.14.0-pre.5", optional = true, default-features = false, features = ["ecdsa"] }
 rand_core = { version = "0.9", optional = true, default-features = false }
 rsa = { version = "0.10.0-rc.0", optional = true, default-features = false, features = ["sha2"] }
 sec1 = { version = "0.8.0-rc.5", optional = true, default-features = false, features = ["point"] }